$(function(){
	//搜索显示切换
	$(function(e) {
	   var $area = $('.search-area'),
	        $showhide = $('.showhide-search'),
	        $input = $('.search-input');      
	    $('.course-nav-hd').on('click', '.showhide-search', function (event){
	        var isShow = $(this).attr('data-show');
	        if( isShow == 'no'){
	            show()
	            $input.focus();
	            $input.keyup(function(){
	            	$(".search-result").css("display","block");
	            });
	            $(".search-input").css("border","1px solid #bcbcbc");
	        }else{
	        	if($input.val()==""){
	        		hide()
	        	}
	        }                    
	        return false;
	    })        
	    $('.course-nav-hd').on('click', '.search-area', function (event){
	        return false;
	    })         
	    $(document).on('click', function (){
	        if( $input.val() != ''){
	            hide()
	        }else{
	        	hide()
	        }
	    })       
	    var show = function (){
	        $showhide.attr('data-show', 'yes')
	        $area.show(1, function (){ $area.removeClass('min') })
	    }     
	    var hide = function (){
	        $showhide.attr('data-show', 'no')
	        $area.fadeOut('slow', function (){
	            $area.addClass('min')
	        })
	    }
		})
	
		//发表评论 
	$(".textarea").on({
		'focus':function(){
			if($(".pl-limit").html()>300){
				$(".pl-input-warp").css("border","1px solid red");
			}
			else{
				$(".pl-input-warp").addClass("pl-input-warps");
				$(".pl-input-warp").css("border","1px solid green");
			}
			
		},
		'keyup':function(){		
			//$(".pl-input-warp").css("border","1px solid #d3dce0");
			var num=300-$(".textarea").val().length;
			if(num>=0){
				$(".pl-limit").html(num);
				//$(".pl-input-warp").css("border","1px solid #d3dce0");
			}else{
				$(".pl-limit").html(Math.abs(num)+300);
				$(".pl-input-warp").css("border","1px solid red");
				return false;
			}
			
			if($(".pl-limit").html()<300){  		  	
				$(".pl-input-warp").css("border","1px solid #d3dce0");
			}
	},
	'blur':function(){
		if($(".pl-limit").html()>300){  		  	
			$(".pl-input-warp").css("border","1px solid red");
		}else{
		  	$(".pl-input-warp").css("border","1px solid #d3dce0");
		  	$(".pl-input-warp").removeClass("pl-input-warps");
		}
	}
	});
   		    
	$(".input-btn-pl").click(function(){
		var $val=$(".textarea").val();
		var $val_length=$(".textarea").val().length;
		if($val == ""){
			$(".pl-input-warp").css("border","1px solid red");
			return false;
		}else if($val_length>300){
			return false;
		}else{
			alert("这里写成功后的东西");
		}
	})
	
	//已关注
	var $follow=1;
	$(".follow").on('click',function(){
		if($follow==1){
			$(this).html("已关注").css({"background":"#ececec"});
			$(this).css("color","#666");
			$follow++;
		}else if($follow!=1){		
			$(this).html("+ 关注").css({"background":"#49b4e1"});
			$(this).css("color","#fff");
			$follow=1;
		}
	})
	
	
	//免费视频的选项卡切换
	$(".price-left-tab ul li").click(function(){
		$(this).addClass("active").siblings().removeClass("active");
		var _index=$(".price-left-tab ul li").index(this);
		$(".price-left-bd").eq(_index).show().siblings().hide();
	})
	
	$(".sign").on('click',function(){
		window.location.href="video.html";
	})
})
